Eyeglass mounting



EYEGLASS mum-me Filed April 15, 1937 INVENTOR.

ATTORNEY.

Patented June 20, 1939 UNITED STATES PATENT OFFICE 3 Claims.

This invention relates generally to eye glasses, more particularly tothe manner of mounting the lens in the bow and nose piece of rimlesslenses.

and unique mounting for eye glass lenses of a character to avoid thepiercing of the lens as is commonly the practice resulting in a weakconnection between the bow or nose piece and the lens.

Further, the object of the invention is to provide a bracket for thenose piece and similar bracket for the bows permitting a ready assemblyor disassembly of the bracket or mounting from the lens and to provide aconstruction in which, when the parts are assembled, the lens is firmlyclamped by the brackets.

It is further a feature and object of the invention to provide a lensmounting that avoids use of springs and delicate parts that readily'getout of order or become inefiicient and further, to provide a simple andinexpensive mounting for securing the bow and nose piece to a lens.

These and other objects and various novel features of the invention arehereinafter more fully described and claimed, and the preferred form ofconstruction of a mounting for the bows and nose piece of rimlessspectacles is shown in the accompanying drawing in which- Fig. 1 is anelevation on an enlarged scale showing a lens and my improved bracket ormounting secured to opposite sides of the lens.

Fig. 2 is a plan, partly in section taken on line 2-2 of Fi 1.

Fig. 3 is a plan view of the mounting to which the nose piece isfastened.

Fig. 4 is an elevation partly in section showing a structural detail ofthe nose piece bracket.

Fig. 5 is a plan view of the mounting to which 40 the bows are attached.

The preferred form of construction of my improved lens mountings isshown in the accompanying drawing in which a lens of the rimless type isindicated at l. The lens shown is octag onal in form although themounting is adapted for use with other forms. One of the purposes to beattained by my improved mounting is to avoid the piercing of the lens inthe securing of the bracket for the nose piece and for the bow to thelens. In my improved mounting, the bow bracket is indicated at 2 and thenose piece bracket at 3 and these are quite similar in structure as ishereinafter described.

The bow mounting consists of two pivoted parts 4 and 5, the part 4having an arm 6 and the The object of the invention is to provide a newpart 5 having a similar arm I and these are pivoted on a pin 8 and thusform levers. The lever 4 has an aperture 9 at the extremity opposite theend 6 while the lever 5 has a threaded aperture ID at the end of thelever opposite the end The lever 5 has a downwardly extending glassengaging lug II and the upper lever 6 of the pair has an upwardlyextending lug I2 which, as shown in Fig. 1, engages the lens edge.

Each of the lever ends 6 and is preferably spatulate in form asindicated at l3 in Fig. 1 and the spatulate end of the lever B has asmall projecting knob I4 which engages in a recess provided therefor onthe inner face of the lens. About this projecting knob is a compressiblewasher I5 preferably formed of cork and the. arm 1 has also a washer 5,these two washers therefore engage the glass under pressure when theparts are assembled.

In placing the bracket 2 on the lens, it is first in the open positionas shown in Fig. 5 and is placed over the glass. The ends of the parts 4and 5 containing the apertures 9 and ID are reduced in thickness andprovide a space into which the eyed end ll of the bow l8 may bepositioned. The bracket elements 6 and l are broughttogether to theposition shown in Fig. 2 which causes the aperture 9 to align with thethreaded aperture II]. A screw I9 is then introduced through theaperture 9 and eye of the bow and threaded in the aperture Ill. Thescrew l9 thus holds the lever ends 6 and in position clamping the glassand with the knob M in the recess of the glass which will prevent thebracket from slipping off from the lens. This securely holds the lensand provides a strong mounting of the lens and bracket due to the factthat the lens itself is not apertured. It is also to be noted that thelugs II and I2 are brought to the desired relative alignment by theswinging of the levers on the pin 8 to align the apertures 9 and I0.Thus all parts are firmly held in their proper relation simply by asingle screw and the mounting is held from turning on the knob as apivot by means of the lugs II and I2.

The mounting for the nose piece 20 is of similar construction, as shownin the enlarged View in Figs. 3 and 4, and consists of the two levers 2|and 22 each respectively carrying lens engaging lugs 23 and 24 and theend of the lever 2| is provided with a projecting knob 25 for engagementin a recess in the inner face of the glass in the construction hereshown. These two levers are pivotally mounted upon a pin 26 and thelever 2| has an aperture 21 shown in full lines in Fig. 3

and the lever 22 has an aperture 28, shown by dotted lines, which isbrought to alignment when the levers are brought to clamping position onthe lens as shown in Fig. 2. A screw 29 is introduced from the underside of the levers 2| and 22 through the apertures therein and has athreaded end 30 of somewhat less diameter than the body of the screwwhich engages in the end 3| of the nose piece 32. This shouldered screwprevents the binding of the two levers together and the screw IQ for thelens mounting is also preferably of the shouldered type for the samereason.

The nose piece of the spectacles usually carries,

the nose clips 33 which may be attached to the nose piece by an arm at.In the assembly of the nose piece with the bracket 3, the two leverparts of the bracket are clamped on the glass manually to bring theaperture 2': in alignment with the aperture 28 and the screw 29introduced therethrough and threaded in the terminal end 3| of the nosepiece.

Thus the functional relationship of the nose piece and mounting is thesame as that of the bow and its mounting. The simple removing of thescrew permits disengagement of the clamp from the lens or introductionof the screw in a manner hereinbefore stated clamping the respectivenose piece or how mounting on the lens and securely holds the same inposition.

I have only shown one part of a nose piece and a single nose clip butthe other lens of the pair and the mountingstherefor are a duplicate ofthose shown in Fig. 1.

I have described the device as particularly applied to spectacleswherein bows are required to be mounted on the lens as well as the nosepiece but it is to be observed that the invention is also involved inthe use of the nose piece only as in the case of eye glasses.

From the foregoing description, it is believed evident that my improvedlens mounting is of simple and unique construction; inexpensive incharacter, and is readily mounted or dismounted from 'the lens andavoids the piercing of the lens and thus provides a stronger mountingand one less liable to crack the lens than is the case where the lensrequires to be pierced and thus weakened.

Having thus fully described my invention, its utility and mode ofoperation, what I claim and desire to secure by Letters Patent of theUnited States is l. A mounting for the lenses of eye glasses comprisingthe association with a lens having a recess in one face adjacent theedge thereof, a pair of pivoted levers approximately equal in length,one of the levers on one side of the pivot point having a projection forfitting the recess and both the levers on the opposite side of the pivotpoint having apertures brought to registration when the first named endsof the levers are in clamping engagement with the lens, one of the saidapertures being threaded and the apertured ends being spaced apart, abow having an eye positioned between the lever ends in alignment withthe apertures, and a screw stud extending through the aperture of onelever and the eye piece of the .bow to threaded engagement with theaperture of the other lever thereby maintaining the levers in clampingengagement with the lens and pivotally securing the bow in place.

2. A mounting for securing the nose piece to the lens of eye glassescomprising the association with a lens having a recess in one facethereof adjacent the edge, of a pair of pivoted levers approximatelyequal in length, one of the levers on one side of the pivot point havinga projection for fitting the recess and both the levers on the oppositeside of the pivot point having apertures brought to registration whenthe first named ends are in clamping engagement with the lens, the nosepiece having an end portion provided with a threaded aperture, and ascrew extending through the apertures of the levers to threadedengagement with the threaded end of the nose piece thereby securing thenose piece to the mounting and maintaining the levers in clampingrelation with the glass.

3. A mounting for the lenses of eyeglasses comprising the associationwith a lens having a recess in the face adjacent the edge thereof, of apair of levers pivoted to turn on an axis parallel with the plane of thelens at the edge, at least one of the levers on one side of the pivotpoint having a projection fitting the recess in the lens and thecorresponding end. of the other lever engaging the opposite face of theglass, the ends of the levers on the opposite side of the pivot pointhaving flat surfaces provided with apertures, said surfaces being in aplane at a right angle to the plane of the lens at the edge, theapertures in the said ends being brought to registration when the firstnamed ends of the levers are moved to clamping engagement with the lens,and a headed screw member inserted in the aligned apertures to maintainsaid clamping engagement, said screw member cooperating with means on anophthalmic element of the eyeglass to secure said element to saidmounting.

ETHELBERT H. SMYTHE.

